ChallengeCh1. A 5G dragon with a lineage where there is no two CB ancestors of the same breed.
Ch2. A frozen hatchling whose "Hatched On" date is 5 days away from the "Stolen On" date.

Cascade
Cas1a. A 2G dragon where all the sprites in lineage are different from each other.
Cas1b. A 3G dragon where all the sprites in lineage are different from each other.
Cas1c. A 4G dragon where all the sprites in lineage are different from each other.